Cell - The smallest working unit of a living thing, Tissue - A group of cells with a similar structure and function e.g. muscle, Organ - A group of tissues working together e.g. heart, System - A group of organs working together e.g. circulatory system , Organism - A living thing, Characteristics of life - Reproduction, Respiration, Growth, Movement, Response, Excretion, Nutrition, Function of the cell nucleus - Carries genes and controls the activity of the cell., Function of the mitochondria - Energy released from food in respiration, Cytoplasm - Watery fluid f salts and food in which organelles float, Organelles - Cell structure with a particular function, Vacuole - A space in the cytoplasm when food and water are stored., Cell wall - Made of cellulose, provides extra protection for the cell, Cell membrane - Mostly made up of fat; protects the cell; allows substances in and out of the cell. , Ribosome - Makes proteins, e.g. enzymes, Chloroplast - Carries chlorophyll, which is used to make food in photosynthesis, Parts of an animal cell - Cell membrane, nucleus, cytoplasm, mitochondria, ribosome, Parts of a plant cell not found in animal cells - Cell wall, chloroplasts, large vacuole., Microscope - An instrument for magnifying tiny objects., Eyepiece - The lens you look through in a microscope; magnifies 10X, Objective lens - The lens that magnifies the object by 4X, 10X, and , Course focus - Brings the object into focus, Fine focus - Brings the object into sharp focus. ,

The Cell and Light Microscope.

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